If you read the barrage of scary literature about 5G mobile phone technology, specifically the use of millimeter wave frequencies to transmit data, you must conclude that it is a bad bet.
I'm not saying this because the technology does not work. It's a bad bet because so little is known about the effects of millimeter waves (30GHz-300GHz). While these frequencies only permeate a small fraction of the human epidermis (the skin), the effect on the cornea, in particular, needs serious research.
Because the industry is too cheap to study the health effects of the technology itself, it lets this sort of product out the door despite the fact that it has already been weaponized by the military. These frequencies are so poor at travelling long distances, they need a transmitter on nearly every telephone pole and light pole to make 5G work.
5G is already getting some bad publicity, which could result in everything from bans on the technology to equipment destruction by vigilantes.
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